BMW 6 series, E63 / E64 (EU)

Automatic transmission fluid capacity & service interval

BMW 6 series, E63 / E64 (EU) models utilize automatic transmission fluid with capacities ranging from 2,55 to 10 liters. The data covers 6 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
630i (2007-2011)
  • Use: Normal
  • Capacity 9-9,5 liter
  • Code: ZF 6HP19 6/1
635d (2007-2011)
  • Use: Normal
  • Capacity 9,4-10 liter
  • Code: ZF 6HP26 6/1
650i (2005-2011)
  • Use: Normal
  • Capacity 9,5-10 liter
  • Code: ZF 6HP26 6/1
630i (2004-2007)
  • Use: Normal
  • Capacity 9-9,5 liter
  • Code: ZF 6HP19 6/1
M6 (2004-2011)
  • Use: Normal
  • Capacity 2,75 liter (Initial fill)
  • Capacity 2,55 liter (Service fill)
  • Code: Getrag GS7S47BG 7/1
645Ci (2003-2005)
  • Use: Normal
  • Capacity 9,4-10 liter
  • Code: ZF 6HP26 6/1

Additional Notes

  • The 630i across both its 2004-2007 and 2007-2011 generations shares an identical automatic transmission fluid capacity range of 9 to 9.5 liters, indicating no change in the underlying transmission unit between those two production periods.
  • The 635d (2007-2011) and 645Ci (2003-2005) share the same capacity range of 9.4 to 10 liters under normal use conditions, despite one being a diesel and the other a petrol variant.
  • The 650i (2005-2011) carries a slightly higher capacity range of 9.5 to 10 liters compared to the 630i's 9 to 9.5 liters, reflecting the larger displacement engine and its associated transmission unit.
  • All automatic transmission entries for the 630i, 635d, 645Ci, and 650i are specified under normal use conditions, meaning the listed capacities apply to standard operating environments rather than severe or heavy-duty cycles.
  • The BMW 6 Series E63/E64 M6 (2004-2011) uses a semi-automatic transmission rather than a conventional automatic, which accounts for the significantly lower fluid capacity compared to all other variants in the lineup.
  • The M6's initial fill capacity of 2.75 liters represents the total fluid volume required when the transmission is dry, such as after a full overhaul or unit replacement.
  • The M6's service fill capacity of 2.55 liters is the lower volume used during routine fluid changes, where residual fluid remains in the transmission after draining, reducing the total amount needed to refill to the correct level.
  • The difference of 0.2 liters between the M6's initial fill and service fill values is a practical distinction that prevents overfilling during maintenance, as overfilling an automatic or semi-automatic transmission can cause aeration and pressure irregularities.

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